Lots of people resist attending training courses, feeling that they are somehow unecessary. They can already do their job.
Yet fit people keep going to the gym. Thin people watch what they eat. Why? - To STAY fit/thin of course!
That's why lots of very talented HR and Training people attend courses and conferences: To stay at the top of their game...and that's why all of us should takle every opportunity we are given for development.
...and yes, I do intend to pactice what I preach!